Standpipe System Sizing

Size standpipe risers for fire protection in buildings per NFPA 14.

1=Class I (2.5" outlets), 2=Class II (1.5" hose), 3=Class III (combined).
Number of floors on riser.
Required flow per hose connection.
GPM

Results

Total System Demand-GPM
Riser Size-inches
Pressure at Base-PSI
References: Based on NFPA 14 Standard for Standpipe and Hose Systems